Home / 149,125.80-223,542.90-133,379.40

Finding the Fourth Proportional to 149,125.80, 223,542.90 and 133,379.40

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Solution

The fourth proportional to 149,125.80, 223,542.90 and 133,379.40 is: 199,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,125.80 : 223,542.90 = 133,379.40 : x
  2. Step 2: Convert to fraction form
    149,125.80/223,542.90 = 133,379.40/x
  3. Step 3: Cross multiply
    149,125.80x = 223,542.90 × 133,379.40
  4. Step 4: Simplify right side
    149,125.80x = 29,816,017,876.26
  5. Step 5: Solve for x
    x = 29,816,017,876.26/149,125.80
  6. Step 6: Final answer
    x = 199,938.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.